68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
/*
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* Copyright (C) 2024 HTotoo
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __UIBMPVIEW_H__
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#define __UIBMPVIEW_H__
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#include "ui.hpp"
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#include "ui_widget.hpp"
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#include "bmpfile.hpp"
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#include "ui_styles.hpp"
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class BMPViewer : public Widget {
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public:
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BMPViewer(Rect parent_rect);
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BMPViewer(Rect parent_rect, const std::filesystem::path& file);
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BMPViewer(const BMPViewer& other) = delete;
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BMPViewer& operator=(const BMPViewer& other) = delete;
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bool load_bmp(const std::filesystem::path& file);
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void paint(Painter& painter) override;
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void on_focus() override;
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void on_blur() override;
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bool on_key(const KeyEvent key) override;
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bool on_encoder(EncoderEvent delta) override;
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bool on_keyboard(const KeyboardEvent event) override;
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void reset_pos();
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void set_zoom(int8_t new_zoom);
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int8_t get_zoom();
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void set_enter_pass(bool pass);
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bool get_enter_pass();
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private:
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void get_line(ui::Color* line, uint32_t bx, uint32_t by, uint32_t cnt);
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bool move_pos(int32_t delta_x, int32_t delta_y);
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BMPFile bmp{};
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int8_t zoom = 1; // positive = zoom in, negative = zoom out 0-invalid 1- no zoom
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int8_t zoom_fit = 1; // if this value is set, the image will fit the screen the most
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int8_t max_zoom = 10;
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int8_t min_zoom = -20; // will be calculated on load
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uint32_t cx = 0; // current top-left coordinate
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uint32_t cy = 0;
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uint32_t mvx = 1; // how much to move on key
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uint32_t mvy = 1;
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bool enter_pass = false;
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};
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#endif |